2660k @ 4ghz vs 2500k @4.8ghz

Hi Guys,

I dont knwo much about overclocking so I just wanted to ask would i notice any difference in performance between:

Core i5 2500k overclocked @ 4.8ghz
Core i7 2600k overcloked @ 4ghz

In terms of playing games namely

Dawn of war 2 series
WoW Cata
SWTOR - when released
Diablo III - when released

Thanks in advance
18 answers Last reply
More about 2660k 4ghz 2500k 8ghz
  1. 2500k rocks.....getting 2600k will not worth.
  2. Understood but I already have the 2600k @ 4ghz

    I was just wondering if there would be an increase in performance with a 2500k @4.8ghz due to the higher overclock?
  3. which cooler are you using now!
  4. Arctic Cooling Freezer 7 Pro Rev 2 CPU Cooler
  5. Plus 2 x 120mm led case cooling fans
  6. ahhh! bad cooler try with hyper 212+ or evo and then overclock it, it will reach upto 4.6ghz or 4.4ghz..

    because "k" series is design for OC'ing.
  7. Speaking from experience, an ACF7P is, by today's standards, an excessively mediocre cooler. It does a pretty good job of coping the dual core processors and their lower TDP, but if you have a quad core, the Hiper 212+ is the bare minimum you should be using.
  8. Hi first of all thank you for your replies.

    However i wasnt planning on increasing the overclock on my core i7 2600k @4ghz i was simply asking if there would be any noticeable improvement inperformance vs a core i5 2500k overclocked @ 4.8ghz or if it would be not noticeable?

    Thank You
  9. yes, a little performance increase on overclocking
    20 to 25 %
  10. SO this in other words would mean the core i5 2500k overclocked @ 4.8ghz would have roughly 20 - 25% better performance vs the core i7 2600k overclocked @ only 4ghz?

    Thank You
  11. yes, how ever 4ghz vs 4.8ghz there is a difference in performance because they both are quad-core cpu's.
  12. Thank you for your reply
  13. you're welcome.
  14. ajh,

    Why in the world would you buy downmarket from the 2600K and go to the 2500K? You can OC a 2600K to 4.9 GHz. Now, the problem is that some processors can take the OC, and some can't. But that is due to individual characteristics of the chip. If, due to defects on the 2600K it can onlyy be OC'd to 4.0 GHz, you have a defective chip (at least from the aspect of over clocking).

    The other major hardware player in OC'ing is the motherboard. Some mobos OC well, and others don't. I have an ASRock P67 Extreme6 and it OC's like a champ, but I have run accross threads that bemoan the weak overclocking of ASRock mobos. The difference in mobos of the same model is dependent on the individual chips.

    I guess that your system is limited by the mobo rather than the CPU. The 2600K should be able to OC at about 100 MHz over a 2500K.
  15. but he doesn't want to oc his cpu anymore he's talking about overclocking difference between 4ghz vs 4.8ghz
  16. Hi

    Pro Gamer is correct.

    Basically I bought a pre built system which I will list full spec below. The system is being delivered next week.

    I was basically just wondering if I should of gone for the core i5 version overclocked @4.8ghz which I probably should of looking back and I just wanted to know if I would of acheived better performance on the core i5 @ 4.8ghz.

    The company offered a overclock on the core i7 of either 4ghz / 4.6ghz and 4.9ghz
    I decided to go for the 4ghz due to my budget as there was no charge for the overclock but the higher the overclock the higher the price of the cpu cooler needed.

    Windows Home Premium 64 Bit OS
    AVG Antivirus Free Edition
    Cooler Master Elite 430 case
    Additional 120mm Blue LED case cooling fans fron & rear
    Intel Core i7 2600k Overclocked to 4ghz
    Arctic Cooling Freezer 7 Pro Rev 2 CPU Cooler
    Asus P8Z68-V LE motherboard
    8 GB Corsair PC3 -12800 1600MHz DDR3 Memory (2 x 4gb sticks)
    AMD Radeon HD 6970 2048MB (Asus EAH6970)
    40GB Corsair Force SSD (this is used in SSD caching to boost performace only 1 hard drive is visable)
    1000GB 7200RPM Hard Drive
    SSD Caching Configuration
    Samsung Blu Ray Rom / DVD RW Combi Drive
    Sony 24 x DVD RW Drive
    Corsair Ultra Low Noise 600W PSU
    23" LG IPS236V - Monitor
    Microsoft Sidewinder X6 Keyboard
    Microsoft Sidewinder X8 Mouse
    Hercules XPS 101 2.1 Sound System
  17. 4.8ghz is take advantage over 4.0ghz so in simple words
    2500k can beat 2600k or if you want oc your cpu more then find out hyper212+ or evo.
  18. yes, i5 2500k is strongly recommend for games there is no huge difference between 2500k vs 2600k only 100mhz is 2600k better otherwise i5 2500k is the king and can reachable to 5ghz.
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